<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        //1. toString() 将我们数组转化为字符串
        var arr = [1, 2, 3];
        console.log(arr.toString());//1,2,3

        // 2.join(分隔符)
        var arr1 = ['green', 'blue', 'pink']
        console.log(arr1.join()); //green, blue, pink
        console.log(arr1.join('-'));//green-blue-pink
        console.log(arr1.join('&'));//green&blue&pink
    </script>
</head>

<body>

</body>

</html>